Files
stealergram/tests/test_events.py
anti 741e6bb0d3 Rename to stealergram, add pyproject.toml, purge em-dashes
- Rename project to stealergram throughout
- Add pyproject.toml (replaces requirements.txt split, folds pytest.ini)
- Replace all em-dashes with hyphens across all source files

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-19 10:06:30 -04:00

116 lines
3.0 KiB
Python

"""
Tests for tui/events.py - subscribe/unsubscribe broadcast, signal_channel_changed.
"""
import queue
import pytest
from tui import events as bus
@pytest.fixture(autouse=True)
def reset_bus():
"""Reset all bus state between tests."""
bus._queue = None
bus.tui_active = False
bus._subscribers.clear()
bus._bot_loop = None
bus._bot_ch_ev = None
yield
bus._queue = None
bus.tui_active = False
bus._subscribers.clear()
bus._bot_loop = None
bus._bot_ch_ev = None
class TestInitBus:
def test_init_creates_queue(self):
q = bus.init_bus()
assert q is not None
assert bus.tui_active is True
def test_get_bus_returns_same_queue(self):
q = bus.init_bus()
assert bus.get_bus() is q
class TestPost:
def test_post_before_init_is_silent(self):
bus.post("event") # should not raise
def test_post_reaches_tui_queue(self):
q = bus.init_bus()
bus.post("hello")
assert q.get_nowait() == "hello"
def test_post_reaches_subscriber(self):
bus.init_bus()
sub = bus.subscribe()
bus.post("world")
assert sub.get_nowait() == "world"
def test_post_reaches_multiple_subscribers(self):
bus.init_bus()
s1 = bus.subscribe()
s2 = bus.subscribe()
bus.post(42)
assert s1.get_nowait() == 42
assert s2.get_nowait() == 42
class TestSubscribeUnsubscribe:
def test_subscribe_returns_queue(self):
q = bus.subscribe()
assert isinstance(q, queue.Queue)
assert q in bus._subscribers
def test_unsubscribe_removes_queue(self):
q = bus.subscribe()
bus.unsubscribe(q)
assert q not in bus._subscribers
def test_unsubscribe_twice_is_safe(self):
q = bus.subscribe()
bus.unsubscribe(q)
bus.unsubscribe(q) # should not raise
def test_unsubscribed_does_not_receive(self):
bus.init_bus()
sub = bus.subscribe()
bus.unsubscribe(sub)
bus.post("gone")
with pytest.raises(queue.Empty):
sub.get_nowait()
class TestSignalChannelChanged:
def test_signal_without_context_is_safe(self):
bus.signal_channel_changed() # should not raise
def test_set_bot_context_stores_refs(self):
import asyncio
async def _inner():
loop = asyncio.get_event_loop()
ev = asyncio.Event()
bus.set_bot_context(loop, ev)
assert bus._bot_loop is loop
assert bus._bot_ch_ev is ev
asyncio.run(_inner())
def test_signal_sets_event(self):
import asyncio
async def _inner():
loop = asyncio.get_event_loop()
ev = asyncio.Event()
bus.set_bot_context(loop, ev)
assert not ev.is_set()
bus.signal_channel_changed()
# give the call_soon_threadsafe a chance to fire
await asyncio.sleep(0)
assert ev.is_set()
asyncio.run(_inner())